Bending-machine.



J. B. CAMERON. BBNDING MACHINE. APPLIUATION FILED JUNE 11, 1907.

Patented Dec. 8, 1908. r

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BBNDING MACHINE. APPLIOATIGH FILED JUNE 11, 1907.

905,841 Patented Dec. 8, 1908.

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"Alt" 5 3.; y M I 2 Ti 8% m JAC 0' g Q I! I m: I a 6L Y J I vi b1 usesUNITED STATES PATENT OFFICE.

JOHN B. CAMERON, OF LAWRENCE, MASSACHUSETTS.

IBENDING-MACHINE Specification of Letters Patent.

Patented Dec. 8, 1908.

Application filed June 11, 1907. Serial No. 378,433.

To all whom it may concern:

Be it known that I, JOHN B. CAMERON, a citizen of the United States,residing at Lawrence, in the county of Essex and State of Massachusetts,have invented a new and of breaking or cracking the same.

Another object of my invention is to provide a machine which can bereadily operated by one man and one which is constructed that it can beadjusted so as to bend the shaft any shape desired.

Another object of my invention is to provide a machine which is verysimple and cheap in construction, and one which is very strong anddurable.

With these and other objects in view, the invention consists in thenovel features of construction, combination and arrangement of parts,hereinafter fully described and pointed out in the claims.

In the drawings forming a part of this specification :Figure 1 is a sideelevational view of my improved bending machine showing a shaft indotted lines arranged therein being bent into the proper shape. Fig. 2is a sectional view taken on line 22 of Fig. 1. Fig. 3 is a sectiontaken on the line 33 of Fig. 1. Fig. 4 is a section taken on line 44 ofFig. 2. Fig. 5 is a section taken on line 55 of Fig. 1, and Fig. 6 is adetail top plan view of the frame carrying the guide.

In the drawings A indicates a post secured to the floor by angled platesA over which is secured about midway of its height one end of arectangular frame B, the outer end of which is secured over a post Csecured to the floor by an angled plate C, it of course being understoodthat any suitable supporting means desired can be used.

Mounted in bearings arranged in the side bars of the frame B, adjacentits outer end is a shaft D provided with a crank handle D at one end bymeans of which the shaft is rotated. Fixed on the shaft'in the frameadjacent one side bar is a gear-Wheel D which meshes with a gear-wheel Esecured on a shaft E mounted in bearings in the side bars of the frame.The shaft extends out through one side bar of the frame, on which issecured a gear-Wheel E which meshes with a gearwheel F loosely mountedon one end of a shaft F secured in the side bars of the frame, adjacentthe post A.

Secured on the side of the post A from which the frame B extends, arespaced plates G provided with enlarged apertured ends G, m which aresecured the ends of guide-rods G on which are slidably mounted blocks Hcarrying a shaft H which extends out over the gear wheel F and on whichis mounted a pressing roller J. The plates are also provided withcentral apertured enlargements G in which is mounted the reduced ends ofan adjusting screw I, on which is mounted a threaded block H carried bythe shaft H. A hand-wheel I is secured on the upper end of the screw, so

that by rotating the screw, the shaft carry-.

ing the pressing roller can be adjusted up and down as desired.

The apertured ends of the frame K are secured on the shaft H byset-screws and are provided with outwardly extendin apertured arms K inwhich is secured a s aft K on which are adjustably mounted guidearms Kby set-screws, so that the guides can be adjusted to suit differentwidth shafts as will be hereinafter fully described. I

Detachably mounted on the end of the shaft F is a block L provided withapertured ears through which extend the parallel side bars of a U-shapedframe L, the ends of the bars being connected together by a plate Lsecured in place by nuts and provided with a central threaded bore, inwhich is mounted a threaded screw L the lower end of which is swiveledin a block L which is mounted on the shaft H and is provided withapertured ears, through which the side bars of the frame L extend. Ahand-wheel L is secured on the upper end of the screw, so that the framecan be adjusted, so as to support the end of the shaft F and relieve itof the great strain it is subject to when a wagon shaft is being bent.

Pivotally mounted on the ends of the shaft F adjacent the side bars ofthe frame B are the apertured ends of the U-shaped frame. M providedwith bearings adjacent its outer end, in which is mounted a shaft M, onone end of which adjacent one side bar, is mounted the apertured end ofa .curved arm M which works through a guide N secured to theside ofthepost A, and is provided with a series of openings, in which is secured apin M forming a stop to limit the downward movement of the "frame,"

Which will be hereinafter fully described. A spring actuated block N ismounted in the bottom of theguide N adapted to force the notch M of thecurved arm against'thetop of the guide, so as to hold theframeup to theouter face of the gear-wheel O by bolts Q, on one of which is secured;a' clamping iron Q -adapted to 'engagethe end of the shaft when forcedinto the' machine'between the mold P and pressingroller J. A trip pingmember'R'is clamped overtherperip cry of the-gear-O providedwith-Pa'finger-It adapted to engage a curved arm -lV[ and force'thenotch out of the guide so'that theframe can'swing downwardly.

The operation for bending therear-end'of theshaftis as follows: Theframe .M is raised u until the notch in the-' armlVI catchesiin t eguide,'-whi'ch holds :the frame securely in position, bringing theiperiphery of "the mold Q in alinement with the periphery ofthe roller,and the clamping member in Zalinement with the mold -P. The shaft to bebent which-has been previouslysteamedis shoved into the machinebet'we'entheguides and mold,==and :theend cl-amped between the I clamp Q :andmold Q. The crank arm is then turned Which-rotates the gear-wheels F, O"carrying the molds P and Q until-the "tripping finger carried by thegear'lO -'engages the curved arm which forces the notch out of theguide, and-releases the-frame. When the wheel reaches this position itisprevented from rotating :any' further by the finger, and as thegear-F-continues'torotate, the 'ge'ar wheel O will be dra'wn downwardlyuntil the "engages t e guide and regulates the amount of bend to theshaft. The shaft :is then drawn out and placed-in suitable form until ithardens.

Having thus fully-described my-invent-ion,

what I claim as new and desire to=secureby 'Lett'ers'Patent is 1. In abending machine, the -combinati'on with agear wheel, a mold secured onsaid gear-wheel, of a'swingingframepa gear wheelj carried by said framemeshing with sai'dgea'rwheel,'*a mold securedonthe ear wheelcanfor'rotating the ried by the frame,*and-mea-ns carried by the frame willbe rotated and the frame swung on its pivot.

2. In a bending machine, the combination with a rotary mold,'of"aswinging frame, a rotary mold secured on said gear wheel geared to thefirst mentioned mold, whereby the last mentioned mold will be rotatedand theframe swung downwardly when thefirst mentioned-mold is operated.

3. In a bending machine, the combination with a rotary mold, of aswinging frame-carrying a rotary mold, gearedto the firstmen- 'tionedmold, means for supporting said frame and means for releasing *saidframe, 'rot-ating'said molds and swinging saidframe.

'4. Ina-bending machine, the combination with a frame of a moldrevolubly mounted on said 'frame, a spring actuated pressing rollermounted'above saidmold, a-frame'pi-votally mounted on the firstmentioned-frame, "a rotary mold mounted on the-pivotedfr ame eared tothe mold, of thefiXed frame wherey the frame will be swung and the moldrotated when the first mentioned v mold Y is loperated.

- 5. In .a bending machine, the combination with :a'frame, of a moldrevolubly mounted on said frame, a pressing Jroller mounted above-saidmold, a frame pivoted tothe fixed frame, :a mold revolubly mounted onthe fixed frame, and a clamping'member' carried by the mold carried bythe pivotedframe.

16. In a bending machine, the combination witha frame, ofa moldrevolublymounted on said frame, a pressing roller mountedabove-said-roll, a'frame pivoted to said fixed frame, a mold revolublymounted on thespiv- -oted'fra'me, and a clamping member tcarried by the-moldmounted on the pivoted :frame.

'7. In -a bending machine the combination with a fixed frame of "a=cylindrical mold mounted on said fixed frame, a frame pivotally mountedon the first framega cylindrical moldmounted on said .pivotedzframe, anarm carried bythe-pivoted frame, means carried by the fixed frameforlockingsaid-arm,land means carried "by the mold of the'pivoted frame fortripping said lockingi'means.

:8. Infa bending machine, =the combination with agipost carrying a fixedframe, of ash-aft secure on'said fixed frame carrying aagear, "amold'securedto said gear, a framepivotally mounted on said shaft,'-ashaftsecure din the :pivoted frame carrying a gear meshing-with thegearof the fixed frame, a mold-carried by the gear of the pivoted frame, anrarm carried by the pivoted frame and workin through -'g ide secured 0nsai'd:post, a, f v

a tripping finger carried by the gear mounted on the pivote'd frameadapted to eng-age-said arm for the purpose --des'cribed.

19. The combination with a post, *of 5a framesecured on said post, ashaft secured "in: said frame, a gear mounted onsaid ha'ft, *i-acylindrical mold :secured to said I1 gear, 1 a

pressing roller adjustably mounted above said mold, a frame pivotallmounted on said shaft, a shaft secured in the pivoted frame, a gearmounted on the last mentioned shaft meshing with the first mentionedgear, a mold secured to said gear carried by the pivoted frame, aclamping member, secured to the last mentioned mold, a guide secured tosaid post provided With a spring actuated block, a-notched curved armcarried by the pivoted frame, Working through said guide, and a trippingmember carried by the gear mounted on the pivoted frame adapted toengage said arm.

10. In a bending machine, the combina- 15 tion with a rotary mold, of apivoted frame carrying a rotary mold geared to said mold, and a clampingmember carried by the mold carried by the pivoted frame.

JOHN B. CAMERON.

Witnesses:

SAMUEL A. MAY, MARY CAMERON.

